12 Days of Christmas
80th
Abundant Numbers
148th
Abundant Numbers (Long)
147th
Arabic to Roman
89th
Arithmetic Numbers
23rd
Arrows
274th
Ascending Primes
116th
ASCII Table
131st
Billiards
24th
brainfuck
138th
Card Number Validation
78th
Catalan Numbers
76th
Christmas Trees
113th
Collatz
7th
CSS Colors
116th
Cubes
242nd
Day of Week
1st
Diamonds
161st
Divisors
1st
Emirp Numbers
99th
Emirp Numbers (Long)
158th
Evil Numbers
238th
Evil Numbers (Long)
166th
Factorial Factorisation
92nd
Farey Sequence
50th
Fibonacci
166th
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Fractions
1st
Gijswijt’s Sequence
61st
Happy Numbers
1st
Happy Numbers (Long)
135th
Intersection
120th
Inventory Sequence
43rd
Leap Years
133rd
Levenshtein Distance
52nd
Leyland Numbers
141st
ln 2
1st
Look and Say
212th
Mandelbrot
59th
Niven Numbers
66th
Niven Numbers (Long)
130th
Number Spiral
176th
Odious Numbers
114th
Odious Numbers (Long)
98th
Ordinal Numbers
117th
Partition Numbers
57th
Pascal’s Triangle
176th
Pernicious Numbers
101st
Pernicious Numbers (Long)
32nd
Prime Numbers
49th
Prime Numbers (Long)
1st
Recamán
137th
Scrambled Sort
50th
Set
68th
Sierpiński Triangle
50th
Smith Numbers
155th
Tic-tac-toe
95th
Tongue-twisters
69th
Topological Sort
41st
Transpose Sentence
123rd
United States
198th
Van Eck Sequence
62nd
Zeckendorf Representation
68th
π
200th
τ
147th
φ
125th
√2
1st
𝑒
1st